More testing that is far more accurate is going to result in additional cases reported so we can expect the total # of cases to rise. (It helps to know what you're looking for.)
From the journal
Science ... an excerpt from the abstract;
Here we use observations of reported infection within China, in conjunction with mobility data, a networked dynamic metapopulation model and Bayesian inference, to infer critical epidemiological characteristics associated with SARS-CoV2, including the fraction of undocumented infections and their contagiousness.
We estimate 86% of all infections were undocumented (95% CI: [82%–90%]) prior to 23 January 2020 travel restrictions.
https://science.sciencemag.org/conte...cience.abb3221
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